美国前总统特朗普近日指出，加拿大正通过与美国相同的适航认证流程，实质上阻断了湾流航空航天公司产品在加拿大市场的流通。这一表态揭示了跨国航空产品贸易中认证机制可能被用作非关税壁垒的现象。
特朗普强调，尽管加美两国采用近乎一致的适航标准，但加拿大监管部门在执行认证程序时存在系统性障碍。这种隐形的市场准入限制不仅影响飞机制造商的商业布局，更可能对北美航空产业链的协同发展产生深远影响。
分析人士认为，该言论折射出航空制造业跨国运营时面临的监管挑战。当国家间技术标准趋同却执行尺度不一，企业往往需要承担额外的合规成本，这种隐性贸易壁垒最终可能削弱全球航空市场的竞争效率。
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